A combination of technical and communication failures contributed to the partial power outage that disrupted this year's Super Bowl, an independent analysis has determined, utility Entergy New Orleans said Thursday.

About 100 people suffered minor to moderate injuries in a multi-vehicle crash Thursday south of Edmonton, Canada, Alberta Health Services said on its Twitter feed.

According to official road reports, a snowstorm has made the roadways extremely dangerous. The snowy conditions and smoke from multiple crashes caused by those conditions have resulted in delays of six hours or more, reports say. Snow plow trucks have been pulled off of the roadway because of poor visibility.

Alberta Health Services, Alberta's provincial health authority, lowered its initial estimate of 300 injuries in the pileup in Leduc, south of Edmonton. Most of the injuries were minor, it said, with six considered moderate and one serious.

Julio Acevedo, the man accused in a Brooklyn car crash that killed a Hasidic couple and their child earlier this month, pleaded not guilty Thursday to second-degree manslaughter, criminally negligent homicide and leaving the scene of an accident. Acevedo remains in custody; no bail has been set.

A New York man has been freed after serving more than two decades in prison for the killing of a rabbi during a botched diamond heist, with a judge calling his conviction a miscarriage of justice.

Brooklyn prosecutors recommended that David Ranta's conviction be tossed out after a onetime witness said he had been coached into identifying the suspect in a police lineup. Ranta was released after a hearing Thursday afternoon.

Six people were killed and nine others injured when a truck that was being chased by police crashed into a security barrier at a Navy base on the Gulf Coast of Texas, a base spokesman said Thursday.

The crash happened late Wednesday, when an extended-cab pickup slammed into a security barrier outside the naval air station in Kingsville, south of Corpus Christi, spokesman Jon Gagne told CNN. The GMC Sierra was being chased by a Kingsville police cruiser about 11:15 p.m. when it ran a checkpoint outside the air base at high speed, Gagne said.

Earlier reports that a U.S. Customs and Border Patrol vehicle also was involved in the chase were incorrect, CBP spokesman Michael Freel told CNN.

[Posted at 12:57 p.m. ET] While the investigation into the slaying of Colorado's prison chief is "wide open," a top law enforcement official told CNN that one case involving a Saudi national is being considered.

When asked if any cases have risen to the top in the search for who killed Tom Clements, El Paso County Undersheriff Paula Presley brought up a case involving Homaidan al-Turki.

"There has been, you know, one case in specific that has been mentioned, certainly that the media has mentioned, with al-Turki, who was denied transfer back to Saudi Arabia. And certainly that has been in the media in the last 24 hours," Presley said, referring to reports in both the Denver Post and CNN affiliate the Denver Channel. Read more about this case

[Posted at 11:25 a.m. ET] Colorado beefed up security at the governor's office and other statewide locations amid the search for the person who gunned down the state's prison chief at his home less than 48 hours earlier, law enforcement said.

Tom Clements was shot dead Tuesday night after opening the door at his home in Monument, about 50 miles south of Denver.

"We are looking at all potential tips, leads, threats that Mr. Clements may have had from anybody in that prison system," El Paso County Undersheriff Paula Presley told CNN on Thursday. "The investigation is wide open at this point."

Watch CNN.com Live for gavel-to-gavel covearge of the trial of Jodi Arias, who's accused of killing her ex-boyfriend in 2008.

Today's programming highlights...

11:00 am ET - Biden, Bloomberg talk gun violence - Critics are upset that the Senate appears to have given up on legislation to ban assault weapons. This morning, Vice President Biden and New York City Mayor Michael Bloomberg discuss efforts at passing "common sense" legislation to reduce gun violence.

A dispute between a Muslim gold shop owner and two Buddhist sellers erupted in clashes that left four people dead, at least 20 injured and four mosques burned to the ground in central Myanmar, police said Thursday.

The clashes began Wednesday morning in Meiktila Township after a quarrel between the shop owner and the sellers, police said. The sellers were beaten up by four other Muslim shop owners, police said.

In retaliation, Muslims and Buddhists took to the street, torching each others' houses and schools, said Police Lt. Col. Aung Min.

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